/Engine/Source/Runtime/GeometryCore/Public/Spatial/MeshAABBTree3.h
Convenience function that calls FindNearestTriangle and then finds nearest point
nearest point to Point, or Point itself if a nearest point was not found
virtual FVector3d FindNearestPoint ( const FVector3d & Point, const [FQueryOptions](API\Runtime\GeometryCore\Spatial\IMeshSpatial\FQueryOptions) & Options ) const